Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Federal





1. Disconnect the vacuum hose (green stripe) from the throttle body, and connect a hand vacuum pump to the vacuum hose.
2. Plug the nipple from which the vacuum hose is disconnected
3. Under the engine conditions shown below. check by applying vacuum from a hand vacuum pump.





When Engine is Cold-
Engine coolant temperature 40°C (104°F) or below





When Engine is Hot-
Engine coolant temperature 80°C (176°F) or higher